package com.apartment.util;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

import java.util.ArrayList;
import java.util.List;

/**
 * 2 * @Author: xy
 * 3 * @Date: 2021/09/13 下午 8:45:12
 */
@Configuration
public class CorsConfig extends WebMvcConfigurerAdapter {
 @Override
 public void addCorsMappings(CorsRegistry registry) {
  registry.addMapping("/**")
          .allowedOrigins("*")
          .allowCredentials(true)
          .allowedMethods("GET", "POST", "DELETE", "PUT")
          .maxAge(3600);
 }
 private CorsConfiguration addcorsConfig() {
  CorsConfiguration corsConfiguration = new CorsConfiguration();
  List<String> list = new ArrayList<>();
  list.add("*");
  corsConfiguration.setAllowedOrigins(list);
    /*
    // 请求常用的三种配置，*代表允许所有，当时你也可以自定义属性（比如header只能带什么，只能是post方式等等）
    */
  corsConfiguration.addAllowedOrigin("*");
  corsConfiguration.addAllowedHeader("*");
  corsConfiguration.addAllowedMethod("*");
  return corsConfiguration;
 }
 @Bean
 public CorsFilter corsFilter() {
  UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
  source.registerCorsConfiguration("/**", addcorsConfig());
  return new CorsFilter(source);
 }
}